Delta Air Lines has made Hartsfield-Jackson Atlanta International Airport (ATL) its primary global hub, operating primarily out of Terminal South (Domestic Terminal – South) and Concourses A, B, C, D, E, and F. The Delta Airlines ATL Terminal experience is second to none, offering passengers efficient services, seamless connections, and world-class amenities across the airport’s sprawling layout. ATL is not only Delta’s headquarters but also the busiest airport in the world, handling over 100 million passengers annually—most of whom travel on Delta. The main check-in area for Delta is located in the Domestic Terminal – South (Terminal S). Upon entering, travelers are greeted with an expansive, well-marked check-in zone featuring numerous self-service kiosks, staffed counters, and a separate Sky Priority area for Medallion members, Delta One, and First Class travelers. The process is highly organized, and Delta’s mobile app enhances efficiency with features like mobile check-in and digital boarding passes.